CN215787012U - T-shaped slot cutter - Google Patents

Abstract

The utility model provides a T-shaped groove cutter, wherein a cutter head is arranged at the end part of the T-shaped groove cutter, the cutter head is provided with at least one cutter body for rotary machining, the cutter body comprises a front cutter end and a rear cutter end, the cutter body extends from the front cutter end to the rear cutter end in an inclined mode, the front cutter end is higher than the rear cutter end, and when the T-shaped groove cutter machines a groove surface, the front cutter end machines the groove surface. The front cutter end is higher than the rear cutter end, the front cutter end protrudes forwards when the groove surface is machined, the cutter head rotates to drive the cutter body to rotate for machining, and the front cutter end rubs with the groove surface when rotating, so that the machined groove surface is smoother, and the machining quality is improved.

Description

T-shaped slot cutter

The technical field is as follows:

the utility model relates to the technical field of machining, in particular to a T-shaped slot cutter.

Background art:

in recent years, with the increase of the level of machine manufacturing, machining marks on workpieces are gradually increasing, and machine tool machining is a very important machining method, and in machining of a machine tool, a T-slot milling cutter is one of the tools that are commonly used.

The T-shaped slot milling cutter is mainly used for processing T-shaped slots on various mechanical table tops or other structures, and the existing T-shaped slot milling cutter consists of a cutter body and a cutter handle, wherein cutter teeth are arranged on the cutter body. In the prior art, a cutter handle generally drives a cutter body to rotate, and cutter teeth on the cutter body rotate to cut so as to process a workpiece.

The end of the cutter body of the traditional T-shaped slot milling cutter is generally a plane, and the plane is not provided with a structure which can be used for processing, so that the processed slot surface of the traditional T-shaped slot milling cutter is rough, and the high-quality processing requirement cannot be met.

Therefore, there is a need in the art for a T-slot knife.

The utility model is provided in view of the above.

The utility model has the following contents:

the utility model aims to provide a T-shaped groove cutter, which enables the machined groove surface to be smoother and improves the machining quality.

In particular, in a first aspect of the present invention, a T-shaped slot cutter is provided, wherein a cutter head is disposed at an end of the T-shaped slot cutter, the cutter head is provided with at least one cutter body for rotational machining, the cutter body includes a front cutter end and a rear cutter end, the cutter body extends from the front cutter end to the rear cutter end in an inclined manner, the front cutter end is higher than the rear cutter end, and when the T-shaped slot cutter machines a slot surface, the front cutter end machines the slot surface.

By adopting the scheme, the front cutter end is higher than the rear cutter end, when the groove surface is machined, the front cutter end protrudes forwards, the cutter head rotates to drive the cutter body to rotate for machining, and the front cutter end rubs with the groove surface when rotating, so that the machined groove surface is smoother, and the machining quality is improved.

Preferably, the cutter body is evenly provided with at least two along tool bit circumference.

By adopting the scheme, the cutter bodies are uniformly provided with at least two cutters, so that the rotation stability of the cutter bodies is improved.

Furthermore, the front cutter end extends towards the rear cutter end along the inclination angle beta, and the angle beta is more than or equal to 10 degrees and more than or equal to 5 degrees.

By adopting the scheme, when the cutter body is machined, a space for discharging chips is arranged between the front cutter end and the rear cutter end due to the inclination angle beta, so that the shaking of the cutter body is prevented.

Preferably, the cutter body still includes front edge portion and back cutting part, the front sword end sets up on front edge portion, back sword end sets up on the cutting part of back, front edge portion and back cutting part all set up the side direction sword, work as the cutter body rotating machining, the side direction sword can be processed the groove side.

Adopt above-mentioned scheme, the cutter body includes front edge portion and back cutting part, and front edge portion and back cutting part all set up the side direction sword, every works as the rotatory a week of tool bit, the cutter body can process twice the groove side, the side direction sword of front edge portion and back cutting part is processed once respectively, improves machining efficiency.

Further, the front blade and the rear blade are integrally provided.

By adopting the scheme, the machining efficiency is improved, and meanwhile, the structural strength of the single blade of the cutter body is improved, and the service life is prolonged.

Furthermore, the joint of the front edge part and the rear edge part is inwards recessed to form a recessed angle alpha, and the angle alpha is larger than or equal to 70 degrees and smaller than or equal to 90 degrees.

By adopting the scheme, the cutter body is divided into the front edge part and the rear edge part by the recessed angle, so that the stability of the cutter body when rotating is ensured.

Further, the side edge is provided with a side edge, the side edge is arranged outside the side edge, and when the cutter body rotates to process, the side edge is in contact with the groove side surface.

By adopting the scheme, the side edge is provided with the lateral edge outside to improve the groove side processing effect.

Preferably, the front edge part and the rear edge part are both provided with cutting edges, the included angle between each cutting edge and the side edge is gamma, and gamma is more than or equal to 70 degrees and less than or equal to 80 degrees.

Adopt above-mentioned scheme, the side of traditional groove sword does not set up the cutting limit, contacts with the groove side during rotation, takes place the tool bit shake easily when the groove side is irregular, contained angle is gamma between cutting limit and the side sword, makes the more efficient processing of side sword during the cutting, and can prevent the tool bit shake.

Furthermore, the T-shaped slot cutter also comprises a transmission rod, wherein one end of the transmission rod is connected with the cutter head, and the other end of the transmission rod is connected with a driving device and used for driving the cutter head to rotate.

By adopting the scheme, the transmission rod is connected with the driving device, so that the driving device is convenient to connect, and the tool bit can rotate to finish the T-shaped groove machining.

Preferably, the transmission rod comprises a first driving rod and a second driving rod, one end of the first driving rod is connected with the cutter head, the other end of the first driving rod is connected with the second driving rod, one end of the second driving rod is connected with the first driving rod, the other end of the second driving rod is connected with the driving device, and the radius of the first driving rod is smaller than that of the second driving rod.

By adopting the scheme, the radius of the first driving rod is smaller than that of the second driving rod, so that the first driving rod can be conveniently processed when penetrating into a workpiece, and the radius of the second driving rod is larger than that of the first driving rod, so that the connection strength between the second driving rod and the driving device is improved.

Preferably, the transmission rod is further provided with a transition rod, the transition rod is arranged between the first driving rod and the second driving rod, the first driving rod and the second driving rod are connected through the transition rod, and the transition rod is uniformly extended from one end of the first driving rod to one end of the second driving rod.

Adopt above-mentioned scheme, the transition pole does not have the outstanding injury to the user that causes when preventing to rotate by first actuating lever one end to the even extension of second actuating lever one end.

In conclusion, the utility model has the following beneficial effects:

1. the front cutter end is higher than the rear cutter end, when the groove surface is machined, the front cutter end protrudes forwards, the cutter head rotates to drive the cutter body to rotate for machining, and the front cutter end rubs with the groove surface when rotating, so that the machined groove surface is smoother, and the machining quality is improved;

2. the cutter body comprises a front edge part and a rear edge part, wherein the front edge part and the rear edge part are both provided with lateral edges, and the cutter body can process the side surface of the groove twice every time the cutter head rotates for a circle, and the lateral edges of the front edge part and the rear edge part are processed once respectively, so that the processing efficiency is improved;

3. the side edge of the traditional groove cutter is not provided with a cutting edge, the cutting edge is contacted with the side surface of the groove during rotation, and the tool bit is easy to shake when the side surface of the groove is irregular;

4. the application the transition pole is by first actuating lever one end to the even extension of second actuating lever one end, does not have the outstanding injury that causes the user when preventing to rotate.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the tip end of the tool tip;

FIG. 2 is a schematic view of another embodiment of an end portion of the tool tip;

FIG. 3 is an enlarged view of a portion of FIG. 2 at C;

FIG. 4 is an enlarged view of a portion of FIG. 2 at D;

FIG. 5 is a side view of the tool tip;

FIG. 6 is a schematic structural view of the recessed region;

FIG. 7 is a schematic view of the overall construction of the cutter head;

FIG. 8 is a schematic view of a T-slot cutter of the present application in comparison to a conventional slot cutter;

fig. 9 is a schematic view of the overall structure of the T-slot knife of the present application.

Description of reference numerals:

the technical scheme of the utility model can be more clearly understood and explained by combining the embodiment of the utility model through the reference sign description.

1. A cutter head; 11. a cutter body; 111. a front blade end; 112. a rear cutter end; 113. a front blade section; 114. a rear blade section; 115. a lateral edge; 1151. a side edge; 1152. a transition structure; 116. cutting edges; 12. a recessed region; 2. a transmission rod; 21. a first drive lever; 22. a second drive lever; 23. a transition rod;

the specific implementation mode is as follows:

reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the utility model, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The present invention will be described in detail below by way of examples.

As shown in fig. 1, the present invention provides a T-shaped slot cutter, wherein a cutter head 1 is disposed at an end portion of the T-shaped slot cutter, the cutter head 1 is provided with at least one cutter body 11 for rotational machining, the cutter body 11 includes a front cutter end 111 and a rear cutter end 112, the cutter body 11 extends from the front cutter end 111 to the rear cutter end 112 in an inclined manner, the front cutter end 111 is higher than the rear cutter end 112, and when the T-shaped slot cutter machines a slot surface, the front cutter end 111 machines the slot surface.

By adopting the scheme, the front cutter end 111 is higher than the rear cutter end 112, when the groove surface is machined, the front cutter end 111 protrudes forwards, the cutter head 1 rotates to drive the cutter body 11 to rotate for machining, and the front cutter end 111 rubs with the groove surface when rotating, so that the machined groove surface is smoother, and the machining quality is improved.

In an alternative embodiment of the present invention, as shown in fig. 2, the front blade end 111 has a point a, the rear blade end 112 has a point B, the blade body 11 extends obliquely from the point a of the front blade end 111 to the point B of the rear blade end 112, and the height difference between the points A, B is 0.6-1mm, preferably 0.8 mm.

In a preferred embodiment of the present invention, at least two of the cutter bodies 11 are uniformly arranged along the circumferential direction of the cutter head 1.

By adopting the scheme, the cutter bodies 11 are uniformly provided with at least two cutters, so that the rotation stability of the cutter bodies 11 is improved.

In the specific implementation, as shown in fig. 5 and 7, the front blade end 111 extends towards the rear blade end 112 along the inclination angle β, where 10 ° ≧ β ≧ 5 °.

In a preferred embodiment of the utility model, β is 7 °.

In a specific implementation, β may also be 7.5 °.

With the above arrangement, when the cutter body 11 is machined, a space for discharging chips is provided between the front edge 111 and the rear edge 112 due to the inclination angle β, thereby preventing the cutter head 1 from being shaken.

In a preferred embodiment of the utility model, as shown in fig. 2 and 6, the cutting head 1 is provided with a recessed area 12 on the end surface, the recessed area 12 extends outwards from the center of the end surface, and the recessed area 12 is recessed inwards from the outer periphery of the recessed area 12 to the center.

In a specific implementation process, the recessed area 12 extends outward from the end surface center O, and the recessed area 12 is recessed from the outer periphery of the recessed area 12 to the end surface center O.

By adopting the scheme, when the tool bit 1 is used for rotating, the end face of the tool bit 1 needs to be in contact with a workpiece, the area near the center O of the end face needs to be worn seriously, the end face of the tool bit 1 is provided with the concave area 12, the central area of the tool bit 1 is prevented from being worn, and the service life is prolonged.

As shown in FIG. 6, in the specific implementation process, the concave area 12 is concave inwards from the periphery of the concave area 12 along the delta angle towards the center, and delta is larger than or equal to 1.5 degrees and larger than or equal to 0.5 degrees.

In a preferred embodiment of the utility model, δ is 1 °.

As shown in fig. 2, 6 and 7, in a preferred embodiment of the present invention, the cutter body 11 further includes a front blade portion 113 and a rear blade portion 114, the front blade end 111 is provided on the front blade portion 113, the rear blade end 112 is provided on the rear blade portion 114, the front blade portion 113 and the rear blade portion 114 are both provided with side blades 115, and the side blades 115 can machine the groove side surfaces when the cutter body 11 is rotated.

Adopt above-mentioned scheme, cutter body 11 includes front edge portion 113 and back blade portion 114, and front edge portion 113 and back blade portion 114 all set up side direction sword 115, whenever 1 rotation week of tool bit, two of every cutter body 11 can process the groove side twice, the side direction sword 115 of front edge portion 113 and back blade portion 114 is processed once respectively, improves machining efficiency.

In a specific implementation, the front blade 113 and the rear blade 114 are integrally disposed.

By adopting the scheme, the machining efficiency is improved, the structural strength of the single edge of the cutter body 11 is improved, and the service life is prolonged.

As shown in fig. 2 and 7, in the specific implementation process, a concave angle α is formed at the connection position of the front blade portion 113 and the rear blade portion 114, wherein α is greater than or equal to 70 ° and less than or equal to 90 °.

In a preferred embodiment of the utility model α is 80 °.

By adopting the above scheme, the cutter body 11 is divided into the front edge part 113 and the rear edge part 114 by the recessed angle, so that the stability of the cutter body 11 during rotation is ensured.

As shown in fig. 2 and 3, in a specific implementation, the side edge 115 is further provided with a side edge 1151, the side edge 1151 is disposed outside the side edge 115, and the side edge 1151 contacts with a groove side surface when the cutter body 11 rotates.

As shown in FIG. 3, in the specific implementation, the width of the side edge 1151 is X, and X is more than or equal to 0.5 and less than or equal to 0.7mm, and preferably 0.6 mm.

With the above arrangement, the side edge 1151 is provided with the side edge 115 to improve the machining effect on the groove side surface.

In the embodiment shown in fig. 2 and 4, the tip of the side edge 1151 is provided with a transition structure 1152, and the transition structure 1152 may be an arc transition structure 1152 or a straight transition structure 1152.

With the above arrangement, the side edge 1151 is prevented from collapsing the cutter head 1.

As shown in fig. 3, in the specific implementation process, the front edge portion 113 and the rear edge portion 114 are both provided with a cutting edge 116, an included angle between the cutting edge 116 and the side edge 1151 is γ, and γ is greater than or equal to 70 ° and less than or equal to 80 °.

In a preferred embodiment of the utility model, γ is 76 °.

In a specific implementation, γ may also be 75 °.

Adopt above-mentioned scheme, the side of traditional groove sword does not set up cutting limit 116, contacts with the groove side during rotatory, takes place the shake of tool bit 1 easily when the groove side is irregular, cutting limit 116 and contained angle between the side sword 1151 are gamma, make the processing that side sword 1151 can be more efficient during the cutting, and can prevent the shake of tool bit 1.

As shown in fig. 9, in a specific implementation process, the T-slot cutter further includes a transmission rod 2, one end of the transmission rod 2 is connected to the cutter head 1, and the other end of the transmission rod 2 is connected to a driving device for driving the cutter head 1 to rotate.

In a specific implementation, the driving device may be an electric motor, a servomotor, a lathe, or the like.

By adopting the scheme, the transmission rod 2 is connected with the driving device, so that the driving device is convenient to connect, and the tool bit 1 rotates to complete the T-shaped groove machining.

In a preferred embodiment of the present invention, as shown in fig. 9, the driving rod 2 comprises a first driving rod 21 and a second driving rod 22, wherein the first driving rod 21 is connected to the cutter head 1 at one end and connected to the second driving rod 22 at the other end, the second driving rod 22 is connected to the first driving rod 21 at one end and connected to the driving device at the other end, and the radius of the first driving rod 21 is smaller than that of the second driving rod 22.

By adopting the scheme, the radius of the first driving rod 21 is smaller than that of the second driving rod 22, so that the first driving rod 21 can be conveniently extended into a workpiece for processing, and the radius of the second driving rod 22 is larger than that of the first driving rod 21, so that the connection strength with a driving device is improved.

In a preferred embodiment of the present invention, as shown in fig. 9, the transmission rod 2 is further provided with a transition rod 23, the transition rod 23 is disposed between the first driving rod 21 and the second driving rod 22, the first driving rod 21 and the second driving rod 22 are connected by the transition rod 23, and the transition rod 23 extends uniformly from one end of the first driving rod 21 to one end of the second driving rod 22.

In an alternative embodiment of the present invention, the transition rod 23 is a circular truncated cone, and the end with the smaller area of the circular truncated cone is connected to the first driving rod 21, and the end with the larger area of the circular truncated cone is connected to the second driving rod 22.

With the above scheme, the transition rod 23 extends uniformly from one end of the first driving rod 21 to one end of the second driving rod 22, and does not have a protrusion to prevent injury to a user during rotation.

As shown in fig. 8, according to the working principle of the T-shaped slot cutter, the transmission rod 2 is connected to the driving device, the transmission rod 2 is connected to the cutter head 1 to drive the cutter head to rotate, the cutter head 1 is provided with the cutter body 11 for processing the slot surface and the lateral blade 115 for processing the slot side surface, when the cutter head rotates, the cutter body 11 and the lateral blade 115 respectively perform processing at corresponding positions, the cutter body 11 is inclined and extended from the front cutter end 111 to the rear cutter end 112, the front cutter end 111 is higher than the rear cutter end 112, when the slot surface is processed, the front cutter end 111 protrudes forward, the cutter head 1 rotates to drive the cutter body 11 to perform rotational processing, and the front cutter end 111 rubs with the slot surface when rotating, so that the processed slot surface is smoother, and the processing quality is improved.

It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (10)

1. A T type slot cutter which is characterized in that: the end of T type groove sword is provided with tool bit (1), tool bit (1) is provided with at least one cutter body (11) that are used for rotary machining, cutter body (11) are including preceding tool end (111) and back tool end (112), cutter body (11) are extended to back tool end (112) slope by preceding tool end (111), preceding tool end (111) are higher than back tool end (112), work as when T type groove sword processing trough surface, preceding tool end (111) are processed the trough surface.

2. The T-slot knife of claim 1, wherein: the cutter body (11) is evenly provided with at least two along tool bit (1) circumference.

3. A T-slot knife according to claim 1 or 2, wherein: the front cutter end (111) extends towards the rear cutter end (112) along an inclination angle beta, and the angle beta is more than or equal to 10 degrees and more than or equal to 5 degrees.

4. The T-slot knife of claim 3, wherein: the cutter body (11) still includes front edge portion (113) and back blade portion (114), front knife end (111) set up on front edge portion (113), back knife end (112) set up on back blade portion (114), front edge portion (113) and back blade portion (114) all set up side direction sword (115), work as cutter body (11) rotating machining, side direction sword (115) can process the groove side.

5. The T-slot knife of claim 4, wherein: the joint of the front edge part (113) and the rear edge part (114) is inwards recessed to form a recessed angle alpha, and the alpha is larger than or equal to 70 degrees and smaller than or equal to 90 degrees.

6. A T-slot knife according to claim 4 or 5, wherein: the lateral edge (115) is further provided with a lateral edge (1151), the lateral edge (1151) is arranged on the outer side of the lateral edge (115), and the lateral edge (1151) is in contact with the side surface of the groove when the cutter body (11) rotates.

7. The T-slot knife of claim 6, wherein: the front edge part (113) and the rear edge part (114) are both provided with cutting edges (116), the included angle between each cutting edge (116) and the side edge (1151) is gamma, and gamma is more than or equal to 70 degrees and less than or equal to 80 degrees.

8. The T-slot knife of claim 1 or 7, wherein: the T-shaped slot cutter further comprises a transmission rod (2), one end of the transmission rod (2) is connected with the cutter head (1), and the other end of the transmission rod is connected with a driving device and used for driving the cutter head (1) to rotate.

9. The T-slot knife of claim 8, wherein: the transmission rod (2) comprises a first driving rod (21) and a second driving rod (22), one end of the first driving rod (21) is connected with the cutter head (1), the other end of the first driving rod is connected with the second driving rod (22), one end of the second driving rod (22) is connected with the first driving rod (21), the other end of the second driving rod is connected with a driving device, and the radius of the first driving rod (21) is smaller than that of the second driving rod (22).

10. A T-slot cutter as defined in claim 9, wherein: the transmission rod (2) is further provided with a transition rod (23), the transition rod (23) is arranged between the first driving rod (21) and the second driving rod (22), the first driving rod (21) and the second driving rod (22) are connected through the transition rod (23), and the transition rod (23) is uniformly extended from one end of the first driving rod (21) to one end of the second driving rod (22).

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